Those interconnected caves and tunnels are the remnent of antique limestone quarries were the stone was extracted to build the houses of Paris.­ Part of them are now used to store human bones moved from various old cemeteries around 1790, hence the (incorrect) name "Catacombs".­

Only a small section of the Catacombs, called the Ossuary, is opened to the public near Place Denfer-Rochereau in the 14th arrondissement of Paris.­ Visitors can see the the bones of about 6 millions people filling up large underground chambers.­ See Les "Catacombes de Paris" (official website) for more infos.­

Those interconnected caves and tunnels are the remnent of antique limestone quarries were the stone was extracted to build the houses of Paris.­ Part of them are now used to store human bones moved from various old cemeteries around 1790, hence the (incorrect) name "Catacombs".­

Only a small section of the Catacombs, called the Ossuary, is opened to the public near Place Denfer-Rochereau in the 14th arrondissement of Paris.­ Visitors can see the the bones of about 6 millions people filling up large underground chambers.­ See Les "Catacombes de Paris" (official website) for more infos.­